In the aftermath of a riot, cops are being lured into ambush shootings by a rash of bogus 911 calls. Surprisingly Mackey and Captain Aceveda must work together to stop these attacks and solve the problems in The Grove, while Assistant Chief Gilroy tries to pit the two against each other to save his own job.
Elenco: Michael Chiklis , Walton Goggins , CCH Pounder , Jay Karnes , Catherine Dent , Michael Jace , Benito Martinez , David Marciano , Cathy Cahlin Ryan , Paula Garcés , Forest Whitaker , Glenn Close , Jamie Anne Allman , Jay Karnes , Kenny Johnson , Michael Jace , Paula Garcés , Walton Goggins .